Q. Both, autogamy and geitonogamy are prevented in
A) Maize
B) Papaya
C) Cucumber
D) Castor
Explanation
[Solution from source] Papaya is dioecious (male and female flowers on separate plants), so neither autogamy nor geitonogamy is possible. Maize, castor and cucumber are monoecious, which prevents autogamy but still allows geitonogamy. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.